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Feature: Full-Duplex Wired Split (#2766)

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refactor(split): Refactor split code for extension

Extract central/peripheral code to allow for plugging in alternate
transports, instead of tying all split logic to BT.

feat(split): Add full-duplex wired split support

* Depends on full-duplex hardware UART for communication.
* Supports all existing central commands/peripheral events, including
  sensors/inputs from peripherals.
* Only one wired split peripheral supported (for now)
* Relies on chosen `zmk,split-uart` referencing the UART device.

docs: Add wired split config docs.

Migrate split to its own dedicated config file, and add details
on wired split config.

Co-authored-by: Nicolas Munnich <98408764+Nick-Munnich@users.noreply.github.com>

fix: Properly override stack size on RP2040

Move the system work queue stack size override on RP2040 ouf of
a `ZMK_BLE` conditional so it is properly applied generally for that
SoC.

---------

Co-authored-by: Nicolas Munnich <98408764+Nick-Munnich@users.noreply.github.com>
This commit is contained in:
Pete Johanson
2025-03-18 00:48:32 -06:00
committed by GitHub
parent 5ba7e260f4
commit 147c340c6e
44 changed files with 2201 additions and 373 deletions
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6
app/src/ble.c
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@@ -78,7 +78,7 @@ static struct bt_data zmk_ble_ad[] = {
),
};
#if IS_ENABLED(CONFIG_ZMK_SPLIT_ROLE_CENTRAL)
#if IS_ENABLED(CONFIG_ZMK_SPLIT_BLE) && IS_ENABLED(CONFIG_ZMK_SPLIT_ROLE_CENTRAL)
static bt_addr_le_t peripheral_addrs[ZMK_SPLIT_BLE_PERIPHERAL_COUNT];
@@ -357,7 +357,7 @@ int zmk_ble_set_device_name(char *name) {
return update_advertising();
}
#if IS_ENABLED(CONFIG_ZMK_SPLIT_ROLE_CENTRAL)
#if IS_ENABLED(CONFIG_ZMK_SPLIT_BLE) && IS_ENABLED(CONFIG_ZMK_SPLIT_ROLE_CENTRAL)
int zmk_ble_put_peripheral_addr(const bt_addr_le_t *addr) {
for (int i = 0; i < ZMK_SPLIT_BLE_PERIPHERAL_COUNT; i++) {
@@ -446,7 +446,7 @@ static int ble_profiles_handle_set(const char *name, size_t len, settings_read_c
return err;
}
}
#if IS_ENABLED(CONFIG_ZMK_SPLIT_ROLE_CENTRAL)
#if IS_ENABLED(CONFIG_ZMK_SPLIT_BLE) && IS_ENABLED(CONFIG_ZMK_SPLIT_ROLE_CENTRAL)
else if (settings_name_steq(name, "peripheral_addresses", &next) && next) {
if (len != sizeof(bt_addr_le_t)) {
return -EINVAL;